Flora of North America species comparison

clustered, internodes not lined, with black glands scattered all over.

internodes 4-angled.

spreading or ascending, usually sessile, rarely petiolate (to 1 mm);

blade elliptic or oblong to lanceolate or triangular-lanceolate, or oblanceolate, 14–40(–58) × 3–17(–22.5) mm, base cordate to narrowly cuneate, margins plane, apex usually rounded to retuse, rarely acute to obtuse, midrib with 3–5 pairs of branches, tertiary veins densely reticulate toward margins, black glands intramarginal (dense) and laminar (scattered).

erect to spreading, sessile;

blade linear-oblong or linear-lanceolate to linear, 5–33 × 0.5–2 mm, leathery, margins plane to revolute, apex acute, basal veins 1(–3), midrib with (0–)1–3 pairs of branches.

subcorymbiform to cylindric, 10–206(–600)-flowered, subsidiary branches narrowly ascending to curved-ascending.

narrowly V-shaped, 1–50-flowered, branching mostly dichasial.

8–15 mm diam.;

sepals not imbricate, erect in fruit, lanceolate or oblong-lanceolate to elliptic or ovate-elliptic, subequal, (1.5–)2–4 × 0.8–1.6 mm, apex acute to rounded;

petals pale yellow, oblanceolate to elliptic, 3–6(–9) mm;

stamens (20–)30–60;

anther gland black;

styles 1–4 mm.

10–15 mm diam.;

sepals narrowly oblong to narrowly lanceolate, subequal to unequal, 3–7 × 0.8–1.6 mm, margins sometimes ciliate, not setulose-ciliate, apex acute;

petals golden yellow to orange-yellow, red-tinged , oblanceolate to obovate, 6–10 mm;

stamens 35–50, irregularly 3-fascicled;

styles 2.5–5 mm;

stigmas broadly capitate.

ovoid to subglobose, 2.5–6 × 2–3.5(–4) mm, with longitudinal vittae or elongate to ovoid vesicles.

± narrowly ovoid-conic, 4–9 × 2–4 mm.

not carinate, 0.5–0.7 mm;

testa linear-reticulate.

0.5–0.7 mm;

testa finely linear-scalariform.

= 14, 16.